| skos:altLabel | - tan
- touch
- touching
- intersection
- Tangency
- Tangency point
- Tangent#For surfaces
- Tangent#Line
- Tangent#Plane
- at a single point
- cotangent
- line normal to the curve
- line tangent
- tangency
- tangent
- tangent circles
- tangent line
- tangent line problem
- tangent lines
- tangent point
- tangent to a circle
- tangential
- tangential directions
- tangentially
- tangents
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